﻿using System;
using System.Collections.Generic;
using System.Text;

namespace ClassLibrary
{
  public  interface ICalculation
    {
        int firstDigit { get; set; }//第一位数

        int secondDigit { get; set; }//第二位数
        List<string> RunAll(int count);       
        List<string> FourOperations(int count, out string value);
    }
}
